Test T We're back, now, at 7:43, with the mystery philanthropist, hiding cash across the country. Now, he sparked an army of copycats. ABC's nick watt has the story. Reporter: Mystery millionaire mania is spreading. Now, he's in L.A. Hiding money. Posting clues. His latest clue was, sounds like where a robin or eagle might keep their money. Bird bank. Burbank. That's where we're headed. The follow-up clue, fasteners. It's the staples parking lot. There's reports of sightings of it. 35-year-old strange man with a beard, with his hand in a bush. Young, good-looking, yeah. He looks handsome. Reporter: The robin hood mystique is building around this real estate developer who claims he just wants to give something back. Here's a picture of his shoes. I know who he is. We figured it out. But I'm not going to tell you. He wants anonymity. And it's what he's doing is fun. And I don't want to be the guy who spoils the fun. I hear screaming. I hear screaming. We have a winner. 200. 205, 206, 207 -- $210. Tatyana drove an hour to get here. And she's giving the money to her grandma. My grandma needs help buying the medication. I can't believe this is happening. I'm going to look for more. Reporter: And copycats have sprung up in Kansas, Colorado and Washington, D.C. And the man himself plans to give away over 100 grand nationwide. For "Good morning America," nick watt, ABC news, Los Angeles. That was a touching story. When he has to feel -- that's part of why he's doing it. To give money to people who wouldn't otherwise have a chance to find something like that. Coming up here, Hallie

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